diff --git a/contributions.md b/contributions.md
index 75b7c82..94bdcdc 100644
--- a/contributions.md
+++ b/contributions.md
@@ -24,7 +24,7 @@ follow the established pattern, and follow these guidelines:
     This will give your language line-editing capabilities (if `rlwrap` is installed)
     and a uniform user interface.
 9. Do not use `open` to open modules, there are
-   [better solutions](https://realworldocaml.org/v1/en/html/files-modules-and-programs.html)
+   [better solutions](https://dev.realworldocaml.org/files-modules-and-programs.html#scrollNav-6)
    (the best one is to just not look for any shortcuts).
 
 Remember: these are *guidelines* that can be broken for a good enough reason.